Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for › F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
Patents for F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959)
10/2000
10/26/2000WO2000062894A1 Hydraulic system with a combination filter screen and gasket
10/26/2000CA2365467A1 Hydraulic system with a combination filter screen and gasket
10/19/2000WO2000037294A3 Method and system for controlling a hydraulic brake system
10/12/2000WO2000014427A3 Vibration damper on the basis of electrorheological/magnetorheological fluids for belt tensioning systems
10/11/2000EP1042596A1 Device for digital hydraulic pressure transformation (dhpt)
10/10/2000US6129114 Pneumatic pulse generator
10/05/2000WO2000058633A1 Method and apparatus for controlling the deadband of a fluid system
10/05/2000DE19913969C1 Air removal from hydraulic fluids by the use of a micro-bubble separator
10/04/2000EP1041329A2 Control device for proportional solenoid valve
10/04/2000EP1041328A1 Manifold solenoid valve driven by serial signals
10/04/2000EP1041327A2 Manifold solenoid valve driven by serial signals
10/04/2000CN2399546Y Engineering machinery oiling device with hydraulic mechanism
10/04/2000CN1268637A Integrated electromagnetic valve driven by series signals
10/04/2000CN1268636A Integrated electromagnetic valve driven by series signals
09/2000
09/28/2000DE19911772A1 Reduction machine operating method involves hydraulic arrangement producing braking torque causing rotor braking derived from rotor rotation until it comes to rest after motor switch-off
09/27/2000EP1038086A1 Percussive tool
09/27/2000EP1038070A1 Hydraulic control mechanism for a mobile machine tool, especially a wheel loader, for damping longitudinal oscillations
09/27/2000EP1037783A1 Air dryer reservoir module
09/21/2000WO2000055528A1 Control system for a hydraulic transformer having variable pressure input
09/20/2000EP0868613B1 Compact hydraulic unit
09/20/2000EP0837991B1 A method in a pneumatic oscillating device to observe an obstacle and to continue oscillating and corresponding oscillating device
09/20/2000CN2397296Y Air pressure air valve
09/14/2000WO2000053950A1 Controllable pneumatic apparatus including matrix medium retaining structure and braking devices utilized therein
09/14/2000WO2000053937A1 Linear-acting controllable pneumatic actuator and motion control apparatus including a field responsive medium and control method therefor
09/14/2000WO2000053936A1 Controllable pneumatic apparatus including a rotary-acting brake with field responsive medium and control method therefor
09/14/2000DE19910057A1 Energy transformer is mounted between relatively reciprocally movable cycle parts, converts relative movement into energy and stores the converted energy
09/12/2000US6116586 Level control arrangement for vehicles having air springs
09/12/2000US6116257 Micromotors, linear motors, micropumps, methods of using the same, microactuators, methods of controlling flow properties of fluids, and apparatuses for controlling flow properties of fluids
09/12/2000US6116144 Pressure motor for electro-rheological fluids
09/07/2000DE19909745A1 Hydrostatic pump circuit controls center round control valve with neutral center position giving medium valve-off pressure and sets valve-on pressure as function of medium flow rate.
09/06/2000CN1056218C Hydraulic unit
09/05/2000US6114620 Pre-equilibrium chemical reaction energy converter
08/2000
08/31/2000DE10007478A1 Hydraulic clamping device to charge drive belt/chain of vehicle engine has integrated outlet element and relief valve with pressure relief function and fluid leakage function for high pressure oil chamber
08/29/2000US6109284 Magnetically-latchable fluid control valve system
08/29/2000US6109161 Hydraulic driven tool controlling apparatus
08/24/2000WO2000049110A1 Electro-sensitive working medium and method of using the medium
08/23/2000EP1029782A2 Power tilt device, in particular for lifting and lowering a marine propulsion unit
08/17/2000WO2000047901A1 Control block for controlling the flow of fluid pressure medium to a fluid pressure operated device
08/17/2000DE19903424A1 Hydraulic actuator member for headlamp washers in motor vehicles has elastic element compressed by hydraulic fluid to accommodate increased volume of ice when frozen
08/16/2000EP0649988B1 Driving controller of hydraulic machine
08/16/2000CN2392017Y Double pushing rod type electric power and hydraulic pushing means
08/16/2000CN2392016Y Three position four way type hydraulic, stable pressure centralizing block
08/10/2000WO2000046089A1 Pressure control device
08/09/2000EP1025366A1 Fluid oscillator with extended slot
08/08/2000US6098967 Level control arrangement for vehicles having air springs
08/08/2000US6098597 Hydraulic system with a combination filter screen and gasket
08/03/2000WO2000013855A9 Electrically operated vise
08/03/2000DE19952144A1 Pressurized medium delivery device for use particularly in a motor vehicle comprises a pump, a suction pipe, a pressure pipe and a pressurized medium supply volume in a pressurized medium supply container
08/03/2000DE19920171A1 Drucksteuergerät Pressure control device
08/03/2000DE19903907A1 Hydraulic load drive method, for a fork-lift truck , involves using free piston engine connected in parallel with pneumatic-hydraulic converter so load can be optionally driven by converter and/or engine
08/03/2000DE19903404A1 Hydraulikaggregat Hydraulic unit
08/02/2000EP1024298A2 Hydraulic unit with variable system pressure
07/2000
07/26/2000EP1022395A1 Hydraulic control device of working machine
07/25/2000US6092454 Controlled float circuit for an actuator
07/20/2000DE19901393A1 Control system for vehicle or processing machine has dual action control cylinder arrangement for hydraulic flow medium coupled to each control element
07/19/2000EP1020648A1 Method and device for controlling work machine
07/19/2000CN2388388Y Oil pressure regulating valve structure of oil pressure tank
07/18/2000CA2205760C Safety bleed assembly for a hydraulic system
07/04/2000US6082833 Hydraulic control valve device
07/04/2000US6082108 Hydrostatic drive control device
06/2000
06/29/2000WO2000037294A2 Method and system for controlling a hydraulic brake system
06/29/2000DE19859281A1 Verfahren zur Kompensation der Temperaturabhängigkeit eines Spulenwiderstandes einer Ventilspule Method for compensating the temperature dependence of a coil resistance of a valve coil
06/27/2000US6081767 Method and device for determining the amount of undissolved gas in a hydraulic system
06/27/2000US6079206 Hydraulic system and a method for degassing same
06/21/2000EP1011038A2 Method of selecting pneumatic devices
06/21/2000CN2384010Y Improved liquefied gas pressure regulator for automobile
06/21/2000CN1257166A Method for selecting pneumatic device
06/15/2000WO2000034119A1 Hydraulic system in a boat hull, preferably a boat hull having an outboard drive
06/15/2000DE19956481A1 Thermal regulation of water supplied to load by controlled mixing of cold and warm water
06/15/2000DE19910821A1 Filter unit, for mounting inside hydraulic fluid tank, has a tubular filter-mat surrounded by perforated support tube for radially outward flow
06/13/2000US6074462 Air dryer reservoir module components
06/13/2000US6073913 Hydraulic valve for a camera dolly
06/13/2000US6073644 Fluid-operated regulating apparatus and method of using the same
06/13/2000US6073441 Single acting pneumatic piston-cylinder unit
06/08/2000WO2000032941A1 Revolution control device
06/07/2000CN1053161C Procedure for operating elevator and elevator machinery
06/06/2000US6070610 Fluid operated timer for a plurality of reservoirs
05/2000
05/31/2000EP1004779A2 Method and device for gas supply and recuperation
05/31/2000DE19944259A1 Hydraulic system with overrunning load control, has a control closing valve
05/31/2000DE19940834A1 Verfahren und Vorrichtung zur Gasversorgung und Gasrückgewinnung Method and apparatus for gas supply and gas recovery
05/31/2000CN1255006A Bus system
05/25/2000WO2000029752A1 Hydraulic control device for working machines
05/25/2000DE19952036A1 Hydraulic lift has cabin, lifting and lowering cylinders, pump, piston rods, cable over deflector roller, transmission roller and compensating weight
05/25/2000DE19853739A1 Verfahren zur Ansteuerung von elektrisch betätigten Schaltventilen Method for actuating electrically operated shift valves
05/24/2000EP1002961A2 Process for controlling electrically-operated switching valves
05/24/2000EP1002685A2 Control of pump for hydraulic front wheel drive
05/23/2000CA2201245C Control system for field markers of an agricultural machine
05/10/2000EP0870138A4 Method and valve for filling fluid system
05/04/2000DE19917031C1 Valve protected filter arrangement for hydraulic power transmission fluid
05/02/2000CA2117521C Pressure relief vent for a waste holding tank
04/2000
04/27/2000DE19916412C1 Pneumatic cylinder with control valve including cylinder section containing spring is vented to the outside via a non return valve
04/26/2000CN2375802Y Single-stage and -phase radial turbine hydraulic torque converter
04/25/2000US6053258 Hydraulic driven tool controlling apparatus
04/25/2000US6052992 Heterogeneous structure for accumulating or dissipating energy, methods of using such a structure and associated devices
04/18/2000US6050090 Control apparatus for hydraulic excavator
04/13/2000DE19844795A1 Elektrohydraulische Einrichtung zur Geschwindigkeitssteuerung eines hydraulischen Hubzylinders Electro-hydraulic device for controlling the speed of a hydraulic lift cylinder
04/12/2000EP0992681A1 Device using the action of a gas for controlling the movement of a fluid
04/12/2000EP0992376A2 Stabilizing device for a vehicle
04/12/2000CN1250508A Fluid cooling device
04/07/2000CA2285409A1 Multiple line hydraulic system flush valve
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